标签：java JDK jdk root centos7 HOME OPEN tar localhost
系统环境：CentOS7.5
软件：jdk-7u65-linux-x64.tar.gz
软件下载地址：http://www.oracle.com/technetwork/java/javase/downloads/jdk7-downloads-1880260.html
检查系统中原来安装jdk的版本
查看原来jdk安装信息
rpm -qa | grep java
卸载OpenJDK
Linux代码
[root@localhost ~]# rpm -e --nodeps tzdata-java-2012c-1.el6.noarch
[root@localhost ~]# rpm -e --nodeps java-1.7.0-openjdk-1.7.0.45-1.45.1.11.1.el6.x86_64
安装JDK1.7
#将文件进行解压
[root@localhost Software]# tar -zxvf jdk-7u65-linux-x64.tar.gz -C /usr/local/java/
#打开profile文件
[root@localhost etc]# vi profile
export JAVA_HOME=/usr/local/java/java7
export CLASSPATH=.:$JAVA_HOME/lib
export PATH=$PATH:$JAVA_HOME/bin
#source profile
标签：java,
JDK,
jdk,
root,
centos7,
HOME,
OPEN,
tar,
localhost
From： https://blog.51cto.com/u_14650780/5998732